14236221 has 8 divisors (see below), whose sum is σ = 19020960. Its totient is φ = 9471152.

The previous prime is 14236219. The next prime is 14236237. The reversal of 14236221 is 12263241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 14236221 - 2¹ = 14236219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14236721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3135 + ... + 6188.

It is an arithmetic number, because the mean of its divisors is an integer number (2377620).

Almost surely, 2^14236221 is an apocalyptic number.

It is an amenable number.

14236221 is a deficient number, since it is larger than the sum of its proper divisors (4784739).

14236221 is an equidigital number, since it uses as much as digits as its factorization.

14236221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9835.

The product of its digits is 576, while the sum is 21.

The square root of 14236221 is about 3773.0917030997. The cubic root of 14236221 is about 242.3622117297.

Adding to 14236221 its reverse (12263241), we get a palindrome (26499462).

It can be divided in two parts, 142 and 36221, that added together give a palindrome (36363).

The spelling of 14236221 in words is "fourteen million, two hundred thirty-six thousand, two hundred twenty-one".